How to Use Launch X431 HD Module

The X431 HD Heavy Duty Module includes hardware, software and the connector cables for trucks. Before you can use it, you need install and activate the X431 HD Module software, it support Bluetooth connection as well, if you need use this function, you also setup the Bluetooth connection. This blog mainly introduce

How to Download and Install X-431 HD Module App?
How to Activate X-431 HD Module?
How to set up Launch X-431 HD Module Bluetooth?


How to Download and Install X-431 HD Module App?
1. Visit the LAUNCH website and download the application corresponding to X-431 HD module;
Note: If downloading using the diagnostic tool please make sure Wi-Fi has good or strong signals.
2. Follow the on-screen instructions to install it. Once installation is complete, an application icon will appear on the HOME screen.


How to Activate X-431 HD Module?
After purchasing X-431 HD module, you have to activate it before use.
Follow the steps below to proceed:

1. Launch the application, and tap setting button to enter;
2. Tap “Profile” from the pull-down menu, and then tap “Connector Activation”;


3.Input the Serial Number and Verification Code, which can be found in the included password envelope. Tap “Activate”



How to set up Launch X-431 HD Module Bluetooth?
Before diagnosing a vehicle, you are suggested to make a Bluetooth pair between X-431 HD module and the diagnostic tool. Proceed as follows:
1. Enter Bluetooth setting screen (“Settings” –> “Bluetooth”), slide the Bluetooth switch to ON and will start searching all available Bluetooth devices.
2. Tap the desired one, then key in the PIN code (the default value is 0000) in the pop-up dialog box, and then tap “Pair”.
By default, the Bluetooth name is 98454*****00 (where ***** stands for 5 digits.).
3. Once it is paired successfully, it will appear in the paired devices list.
Note: If no Bluetooth setting is done before diagnostic application is launched, you can also configure it while using the software.

More Launch X431 HD Module user manual, please download it here


Launch X431 HD Module Specially for Heavy Duty Truck Diagnosis

As we know, almost Launch X431 Diagnostic tool only for small cars, can not work on trucks. While the X431 HD Module  is specifically designed to diagnose diesel and gas fueled heavy duty vehicle models of 12V & 24V voltage. But it need work with Launch X431 V+, Launch X431 PRO 3, and Launch X431 PAD II together(and it also works with other Andorid tablets, witch comes with ROM 4G, RAM 8G.).

The X431 HD Heavy Duty Module includes hardware, software and the connector cables for trucks

What truck vehicles does X431 HD Truck adapter support for?

























Chinese Heavy duty Truck



X-431 Heavy Duty HD Truck Diagnostic Model Feature:
Wireless Bluetooth Diagnosis
Host machine and diagnostic connector adopt Bluetooth connection, making diagnosis more convenient.

Support various car models
34 car model software, support more than 60 car models. Moreover, the software is being continuously developed.


Industrial shockproof design
Industrial shockproof design is perfect for the working environment in repair shops.


Various configurations are available for selection
Suppose you are going to purchase heavy-duty truck diagnostic tool, you can choose X-431 V/V+ as host machine. If you have already bought X-431 V/V+ diesel configuration,
now you want to test truck, just buy a heavy-duty truck module.
Full comprehensive diagnostic software functions.


Wide diagnostic software coverage.
Accurate test data.
Software based on Android, matching with more diagnostic hosts.
Release new software version timely to let customers enjoy latest service.
Able to test truck with 12V or 24V battery diesel engine. When testing 24V truck, battery conversion is not required.
Diagnostic hardware is designed according to international standard, compatible with diagnostic interfaces of worldwide models.


In a word, with the help of X431 HD Module, your launch X431 Diagnostic tool will work on both cars and trucks. Do not miss it